Fixed deprecation of swift v3.
Fixed deprecation of swift v3.

Added new API reference according to specification.
https://github.com/apple/swift-evolution/blob/master/proposals/0022-objc-selectors.md

goktugyil/EZLoadingActivity,goktugyil/CozyLoadingActivity,goktugyil/CozyLoadingActivity,goktugyil/EZLoadingActivity